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  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1998),
  • paper QTuF3

Photo-induced polarization rotation in semimagnetic semiconductor quantum wells

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Abstract

Giant photo-induced Faraday rotations were observed in CdTe-Cd1−xMnxTe multiple quantum wells when the laser frequency is dose to the excitonic resonance, which is enhanced through the quantum confinement. Moreover, we recently demonstrated that large photo-induced polarization rotations (~7 degrees) could be obtained even in the absence of an external magnetic field when using circularly polarized pump pulses.1

© 1998 Optical Society of America

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